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Marina CMI [18]
2 years ago
12

Help me for 25 points !!!! And brainlist!!!!

Mathematics
2 answers:
Dmitry [639]2 years ago
7 0
I think it’s 37

EXPLANATION:
Sedaia [141]2 years ago
4 0

Answer:

its 37° because both the triangle are congruent to each other.

Step-by-step explanation:

i answer ur ans how much i know but please don't report me okay

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For the clinical trials of a weight loss drug containing Garcinia cambogia the
Talja [164]

Answer:

The correct answer is -

a. the second group that receives test medicine

b. the first group that receives an inert pill

c. double-blind

d. placebo-controlled experiment

Step-by-step explanation:

a. The treatment group is the group that is used to test the experiment or change and receives the desire independent variable which is the second group that receives the test medicine along with an exercise and diet plan.

b. The control group is the group that is placed in ideal condition and receives no change other than placebo, here, the first group receives an inert pill along with the same exercise and diet plan.

c. Here neither the patients nor the fitness and nutrition advisors know which one is the control group and which one is the treatment group so ts a double-blind group.

d. This is best described as a placebo-controlled experiment due to the fact that there is a control group in this experiment that receives a placebo and another group that receives the treatment.

5 0
3 years ago
Could yalll PLS ANSWER ITS DUE LATE IVE BEEN ASKING FOREVER :(
OLga [1]

Step-by-step explanation:

- 24 \div 4 =  - 6

[tex] - 24 \div 4 = \\ \frac{ - 24}{4} \\ = \frac{ - 12}{2} \\ = /frac{-6}{1}

8 0
2 years ago
Read 2 more answers
Paguei 74,00 por uma bolsa e uma sandália. A bolsa foi 23,00 mais barato q a sandália. Qual o preço da sandália?
alukav5142 [94]

Responda:

48,5

Explicação passo a passo:

Dado que:

Custo total de bolsa e sandália = 74,00

Deixei :

Custo da sandália = x

Custo da bolsa = x - 23

Preço da sandália:

x + (x - 23) = 74

x + x - 23 = 74

2x - 23 = 74

2x = 74 + 23

2x = 97

x = 97/2

x = 48,5

Portanto, custo da sandália, x = 48,5

7 0
2 years ago
Helppp What’s 35 X 49 ??
Ronch [10]

Answer:

Answer is 1715

Step-by-step explanation:

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<em>this</em><em> </em><em>app</em><em> </em><em>is</em><em> </em><em>made</em><em> </em><em>to</em><em> </em><em>help</em><em> </em><em>more students in </em><em>all</em><em> </em><em>subjects</em><em>. </em><em>whatever</em><em> </em><em>don't</em><em> </em><em>do</em><em> </em><em>the</em><em> </em><em>mistakes</em><em> </em><em>again</em><em>. </em>

<em>HAVE A NICE DAY</em><em>!</em>

<em>THANKS FOR GIVING ME THE OPPORTUNITY</em><em> </em><em>TO ANSWER YOUR QUESTION</em><em>. </em>

7 0
3 years ago
Read 2 more answers
A Cell Phone company sells cellular phones and airtime in a State. At a recent meeting, the marketing manager states that the av
GarryVolchara [31]

Answer:

The null hypothesis is rejected.

There is enough evidence to support the claim that the average age of the customers differs from 40 years.

The sample does not support the manager claim (the average age seems to differ from 40 years).

Step-by-step explanation:

This is a hypothesis test for the population mean.

The manager claims that the average age of customers is 40 years. As this is an equality, we will test if the average age differs from 40. If the null hypothesis failed to be rejected, the claim of the manager is right.

Then, the claim is that the average age of the customers differs from 40 years.

Then, the null and alternative hypothesis are:

H_0: \mu=40\\\\H_a:\mu\neq 40

The significance level is 0.05.

The sample has a size n=50.

The sample mean is M=38.

As the standard deviation of the population is not known, we estimate it with the sample standard deviation, that has a value of s=7.

The estimated standard error of the mean is computed using the formula:

s_M=\dfrac{s}{\sqrt{n}}=\dfrac{7}{\sqrt{50}}=0.99

Then, we can calculate the t-statistic as:

t=\dfrac{M-\mu}{s/\sqrt{n}}=\dfrac{38-40}{0.99}=\dfrac{-2}{0.99}=-2.02

The degrees of freedom for this sample size are:

df=n-1=50-1=49

This test is a two-tailed test, with 49 degrees of freedom and t=-2.02, so the P-value for this test is calculated as (using a t-table):

P-value=2\cdot P(t

As the P-value (0.049) is smaller than the significance level (0.05), the effect is  significant.

The null hypothesis is rejected.

There is enough evidence to support the claim that the average age of the customers differs from 40 years.

3 0
3 years ago
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